bit_util: Implement MostSignificantBit

2018-06-28 21:44:35 +01:00 · 2018-06-28 21:44:35 +01:00 · a3a8efb018
commit a3a8efb018
parent 3f2194dcba
1 changed files with 5 additions and 0 deletions
--- a/src/common/bit_util.h
+++ b/src/common/bit_util.h
@ -151,6 +151,11 @@ inline size_t LowestSetBit(T value) {
    return result;
 }

+template <typename T>
+inline bool MostSignificantBit(T value) {
+    return Bit<BitSize<T>() - 1, T>(value);
+}
+
 template <typename T>
 inline T Replicate(T value, size_t element_size) {
    ASSERT_MSG(BitSize<T>() % element_size == 0, "bitsize of T not divisible by element_size");